Buffalo Wild Wings

2.3 BACKFLOW PREVENTERS
A. Acceptable backflow pre-venter Manufacturers:
1. Clayton “CIa-Va Series “RP” or approved equal.
B. Provide strainer with blow off valve immediately upstream from backflow.
C. Extend drain piping to safe-waste over floor drain.
2.4 GAS VALVES
A. Acceptable Manufacturers:
1. DeZurik or approved equal.
B. 2” and Smaller: No. 955 or DeZurik No. 425.
C. 2-1/2” and Larger: Lubricated plug cock or DeZurick No. 425 Provide extended stems to
accommodate insulation on insulated piping.
D. Provide a natural gas pressure regulator equal to Maxitrol to reduce gas pressure to an
acceptable limit at gas fired equipment. See plans for gas company meter outlet
pressure. See mechanical equipment schedule for required capacities and operational
manuals for pressure limits. Provide with code approved pressure limiting device or pipe
pressure regulating valve relief vent individually to the outside. Verify with the local code
authorities.
E. Gas Solenoid Valves: Asco #K3A415, approved UL rated automatic gas shutoff valves.
Normally closed, 24 volt with manual reset, sized to match gas piping service to
equipment.
2.5 MISCELLANEOUS VALVES:
A. Solenoid Valve for Domestic Cold Water:
1. Acceptable Manufactures: Gold, Jefferson, Burkert, Honeywell, W.E. Anderson.
2. Gould Valve CD, or approved equal. Type M-3V, NPT, Full Port, 24 Volt,
Normally open, UL listed.
B. Drain Valves- Domestic Water Piping
1. ¾“ hose bib, Chicago #151, rough brass.
2. Equal to Apollo Series 78-1 00 ball valve, 600 pound, bronze body, chrome
plated brass ball and blow-out proff brass stem, reinforced Teflon seals and
seats and %“ hose thread outlet with cap.
3. Domestic water drains shall be equipped with vacuum breakers.
C. Thermostatic Mixing Valve: Leonard Model No. TM-186-8015-PRV, 1” inlets, 1¼” outlet.
High-low manifold temperature control thermostatic controller with inlet checkstops. Wall
support, outlet ball valve adjustable high temperature limit stop, removable cartridge with
strainer, stainless steel piston and liquid fill thermal motor with bellows element mounted
06/25/09 PIPING MATERIALS AND METHODS
15150-3